You may be able to hit the uncured bubbles in the resin with a little butane torch to pop them without disturbing the rest of the resin. Also, tapping it on the table to move bubbles up and out may be easier than squishing (both in the mixing bowl and in the mold).
Making a slit in the mold is common. You'll want to do it so that it keys back into itself properly, though. A jagged line would do the job. However, I'm not sure if the silicone is thick enough to be strong enough to stop the...
Very interesting. Can I ask why you chose the platinum silicone for the molds? I think you'd get along just fine with a tin, and it would be cheaper. I use this stuff: http://www.motionpicturefx.com/MPFX-MOLD-SILICONE_c146.htm
Just out of curiosity, are the candles that you're molding real candles or PVC/hot glue candles? And what are you using as a release agent?
Another thought...I'm assuming that you're going to fill your mold with the candle upside down, and pour into what will be...
Ive done the plastic first and then paper mache. Its tough to get it to stick. And if water gets in it holds under the mache because of the plastic. Plastic wrap seems to be taking over whwn it comes to corpseing
So I stopped by target for a few odds and ends and there Halloween stuff was 90% off. I snagged 6 green morph suits for 3 bucks a pop. Was wondering if anyone has uaed these for anything? I was thinking dummys or bodies for body bags. Also snagged to red devil half skeletons. 2 for 7 bucks good score. Any one have some ideas what to do with these morph suits